જો $\sin A + \sin B = \frac{1}{2}$ અને $\cos A + \cos B = 1$ હોય,તો $\sin \left(\frac{A-B}{2}\right)$ ની કિંમત શોધો.

  • A
    $\pm \frac{\sqrt{13}}{4}$
  • B
    $\pm \frac{\sqrt{11}}{4}$
  • C
    $\pm \frac{\sqrt{7}}{4}$
  • D
    $\pm \frac{\sqrt{17}}{4}$

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Similar Questions

પદાવલિ $\frac{1+\sin 2 \alpha}{\cos (2 \alpha-2 \pi) \tan \left(\alpha-\frac{3 \pi}{4}\right)} - \frac{1}{4} \sin 2 \alpha \left[\cot \frac{\alpha}{2}+\cot \left(\frac{3 \pi}{2}+\frac{\alpha}{2}\right)\right]$ ની કિંમત શોધો.

$\sin \frac{\pi}{16} \sin \frac{3 \pi}{16} \sin \frac{5 \pi}{16} \sin \frac{7 \pi}{16}$ ની કિંમત શોધો.

જો $\cos^3 80^{\circ} + \cos^3 40^{\circ} - \cos^3 20^{\circ} = k$ હોય,તો $\frac{4k}{3} =$

જો $A+B+C+D=2 \pi$ હોય,તો $\cos A-\cos B+\cos C-\cos D=$

જો $\sin \theta + \cos \theta = p$ અને $\sin^3 \theta + \cos^3 \theta = q$ હોય,તો $p(p^2 - 3)$ ની કિંમત શોધો.

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